| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Jan Dupont•Mathiasen |
| Used name | Jan•Mathiasen |
| Born | 9 May 1957 in Fredericia, Syddanmark (DEN) |
| Measurements | 184 cm / 75 kg |
| Affiliations | Fredericia Sejlklub, Fredericia (DEN) |
| NOC |  Denmark |
| Medals | OG |
| Gold | 0 |
| Silver | 0 |
| Bronze | 1 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1984 Summer Olympics | Sailing | DEN |
Jan Mathiasen | |||
| Three-Person Keelboat, Open (Olympic) | Denmark | 12 | ||||
| 1988 Summer Olympics | Sailing | DEN |
Jan Mathiasen | |||
| Three-Person Keelboat, Open (Olympic) | Denmark | 3 | Bronze |
